cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A129099 a(n) = Sum_{k=2^(n-1)..2^n-1} A129095(k) for n>=1.

Table of values

n a(n)
1 1
2 4
3 20
4 136
5 1376
6 22176
7 591680
8 26770688
9 2096125184
10 289083462144
11 71239716616192
12 31730665042094080
13 25779103986580017152
14 38488216155785101459456
15 106257557996370396596748288
16 545336631331873524033714683904

List of values

[1, 4, 20, 136, 1376, 22176, 591680, 26770688, 2096125184, 289083462144, 71239716616192, 31730665042094080, 25779103986580017152, 38488216155785101459456, 106257557996370396596748288, 545336631331873524033714683904]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.